doc: customize the README

README.md

@@ -1,18 +1,15 @@
-# create-svelte
+<picture>
+  <source media="(prefers-color-scheme: dark)" srcset="https://static.openfoodfacts.org/images/logos/off-logo-horizontal-dark.png?refresh_github_cache=1">
+  <source media="(prefers-color-scheme: light)" srcset="https://static.openfoodfacts.org/images/logos/off-logo-horizontal-light.png?refresh_github_cache=1">
+  <img height="48" src="https://static.openfoodfacts.org/images/logos/off-logo-horizontal-light.svg">
+</picture>
+<br>
 
-Everything you need to build a Svelte project, powered by [`create-svelte`](https://github.com/sveltejs/kit/tree/master/packages/create-svelte).
+# Open Food Facts explorer: the modern JS frontend to Open Food Facts
 
-## Creating a project
+## Features
 
-If you're seeing this, you've probably already done this step. Congrats!
-
-```bash
-# create a new project in the current directory
-npm create svelte@latest
-
-# create a new project in my-app
-npm create svelte@latest my-app
-```
+## Roadmap
 
 ## Developing
 
@@ -34,5 +31,3 @@ npm run build
 ```
 
 You can preview the production build with `npm run preview`.
-
-> To deploy your app, you may need to install an [adapter](https://kit.svelte.dev/docs/adapters) for your target environment.